How to use

remove

method

in

com.badlogic.gdx.utils.IntSet

@Override
public void mouseReleased (MouseEvent e) {
  synchronized (this) {
    TouchEvent event = usedTouchEvents.obtain();
    event.pointer = 0;
    event.x = e.getX();
    event.y = e.getY();
    event.button = toGdxButton(e.getButton());
    event.type = TouchEvent.TOUCH_UP;
    event.timeStamp = System.nanoTime();
    touchEvents.add(event);
    deltaX = event.x - touchX;
    deltaY = event.y - touchY;
    touchX = event.x;
    touchY = event.y;
    pressedButtons.remove(event.button);
    if (pressedButtons.size == 0) touchDown = false;
    lwjglAwtCanvas.graphics.requestRendering();
  }
}

@Override
public void mouseReleased (MouseEvent e) {
  synchronized (this) {
    TouchEvent event = usedTouchEvents.obtain();
    event.pointer = 0;
    event.x = e.getX();
    event.y = e.getY();
    event.button = toGdxButton(e.getButton());
    event.type = TouchEvent.TOUCH_UP;
    event.timeStamp = System.nanoTime();
    touchEvents.add(event);
    deltaX = event.x - touchX;
    deltaY = event.y - touchY;
    touchX = event.x;
    touchY = event.y;
    pressedButtons.remove(event.button);
    if (pressedButtons.size == 0) touchDown = false;
    lwjglAwtCanvas.graphics.requestRendering();
  }
}

} else {
  event.type = TouchEvent.TOUCH_UP;
  pressedButtons.remove(event.button);

} else {
  event.type = TouchEvent.TOUCH_UP;
  pressedButtons.remove(event.button);

this.pressedButtons.remove(getButton(e.getButton()));
this.touched[0] = pressedButtons.size > 0;
if (isCursorCatched()) {
    pressedKeySet.remove(code);
    pressedKeyCount--;
    pressedKeys[code] = false;
    pressedKeySet.remove(code);
    pressedKeyCount--;
    pressedKeys[code] = false;

this.pressedButtons.remove(getButton(e.getButton()));
this.touched[0] = pressedButtons.size > 0;
if (isCursorCatched()) {
    pressedKeySet.remove(code);
    pressedKeyCount--;
    pressedKeys[code] = false;
    pressedKeySet.remove(code);
    pressedKeyCount--;
    pressedKeys[code] = false;

@Override
public void mouseReleased (MouseEvent e) {
  synchronized (this) {
    TouchEvent event = usedTouchEvents.obtain();
    event.pointer = 0;
    event.x = e.getX();
    event.y = e.getY();
    event.button = toGdxButton(e.getButton());
    event.type = TouchEvent.TOUCH_UP;
    event.timeStamp = System.nanoTime();
    touchEvents.add(event);
    deltaX = event.x - touchX;
    deltaY = event.y - touchY;
    touchX = event.x;
    touchY = event.y;
    pressedButtons.remove(event.button);
    if (pressedButtons.size == 0) touchDown = false;
    lwjglAwtCanvas.graphics.requestRendering();
  }
}

} else {
  event.type = TouchEvent.TOUCH_UP;
  pressedButtons.remove(event.button);

this.pressedButtons.remove(getButton(mouseEvent.getButton()));
this.touched[0] = pressedButtons.size > 0;
if (isCursorCatched()) {

this.pressedButtons.remove(getButton(e.getButton()));
this.touched[0] = pressedButtons.size > 0;
if (isCursorCatched()) {
    pressedKeySet.remove(code);
    pressedKeyCount--;
    pressedKeys[code] = false;
    pressedKeySet.remove(code);
    pressedKeyCount--;
    pressedKeys[code] = false;